Carry your spare wheel on the rear door of your van saving space while allowing you easier access than underneath. The 2007 and newer Auxiliary Equipment Carrier allows you to attach external storage boxes or other equipment. Auxiliary Equipment Carrier has a weight limit of 75 pounds, items can not protrude more that 10″ from carrier face and carrier is not designed to carry flammable or hazardous materials. Carriers are made of heavy gauge steel with durable black enamel or powder coat finish. One piece solid construction and available in black. This product comes as a kit with all that is needed to install (spacers, Stainless steel bolts, hardware, extra door panel clips, and backing plates). Good Instructions with colored photos are included also. Products made in USA and usually ships that week depending on availability. Carriers to fit 3500 models have 4 short threaded studs.